Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 390, 1215 i.e. 15 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 390, 1215 is 15.
GCF(390, 1215) = 15
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
3 | 390, 1215 |
5 | 130, 405 |
26, 81 |
∴ So the GCF of the given numbers is 3 x 5 = 15
Factors of 390
List of positive integer factors of 390 that divides 390 without a remainder.
1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390
Factors of 1215
List of positive integer factors of 1215 that divides 1215 without a remainder.
1,3,5,9,15,27,45,81,135,243,405,1215
Greatest Common Factor
We found the factors 390,1215 . The biggest common factor number is the GCF number.
So the greatest common factor 390,1215 is 15.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 390, 1215?
Answer: GCF of 390, 1215 is 15.
2. How to Find the GCF of 390, 1215
Answer: Greatest Common Factor(GCF) of 390, 1215 = 15
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(390, 1215) = 15.